📄 teachlession_update1.jsp
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<%@ page contentType="text/html;charset=GB2312" %>
<%@ page import="java.sql.ResultSet,util.commonTag"%>
<html>
<!------系统交互javascript----->
<script language="JavaScript">
function check_data() {
//按提交按钮时，检查数据是否为空
if(update_teachlession_form.teacher_id.value==0){
alert("请选择教师！");
return false;
}
if(update_teachlession_form.lession_id.value==0){
alert("请选择课程！");
return false;
}
}
</script>
<%//-------接收teachlession_id,teacher_id,lession_id参数------------
int teachlession_id=0;
int teacher_id=0;
int lession_id=0;
try{
teachlession_id=Integer.parseInt(request.getParameter("teachlession_id"));
teacher_id=Integer.parseInt(request.getParameter("teacher_id"));
lession_id=Integer.parseInt(request.getParameter("lession_id"));
}catch(Exception e)
{}
%>
<!----声明JavaBean，并查询出数据---->
<jsp:useBean id="teachlession_select" class="teachlessionman.teachlession_operation" scope="page"/>
<%ResultSet rs=teachlession_select.teachlession_select_one(teachlession_id);%>
<body bgcolor="#DCDADA">
<!---------导航菜单------------->
<jsp:include page="navigator.txt"/>
<%if(rs.next()){%>
<!---------数据输入------------->
<table border="1" width="100%" cellspacing="0" cellpadding="0" bordercolor="#808080" bordercolorlight="#808080" bordercolordark="#808080">
<tr>
<td width="100%">
<table border="0" width="103%">
<tr>
<td width="100%" colspan="5">修改学生信息：<br><hr></td>
</tr>
<form name="update_teachlession_form" action="teachlession_update2.jsp" method="post" onsubmit="return check_data()">
<tr>
<td width="40%" align="right">教师授课信息序号：<%=rs.getLong("teachlession_id")%> 授课教师：</td>
<input type="hidden" value="<%=rs.getLong("teachlession_id")%>" name="teachlession_id">
<td width="10%">
<%//-----生成授课教师下拉框------
commonTag classtag=new commonTag();
out.println(classtag.getTeacherTag(teacher_id));
%>
</td>
<td width="10%" align="right">课程名称：</td>
<td width="20%">
<%//-----生成授课教师下拉框------
out.println(classtag.getLessionTag(lession_id));
%>
</td>
<td width="20%"><input type="submit" value="提交"></td>
</tr>
</form>
</table>
</td>
</tr>
</table>
<%}%>
<br>
</body>
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